Les adresses IP débutant par 121.85.50 sont fournies par K-Opticom Corporation, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.84.0.0/14, le bloc IP comprant les adresses de 121.84.0.0 à 121.87.255.255). Le numéro de système autonome (ASN) est 17511.
| ASN | 17511 |
| IP commençant par | 121.84.0.0 |
| IP se terminant par | 121.87.255.255 |
| Nom ASN | K-Opticom Corporation |
| CDIR | 121.84.0.0/14 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 31/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | JP | Japon | - | Osaka | 34,6939 | 135,5022 | 2017-07-31 |
| MaxMind | JP | Japon | - | Osaka | 34,6864 | 135,52 | 2017-07-31 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.85.50.0 | 2035626496 | 0 |
| 121.85.50.1 | 2035626497 | 0 |
| 121.85.50.2 | 2035626498 | 0 |
| 121.85.50.3 | 2035626499 | 0 |
| 121.85.50.4 | 2035626500 | 0 |
| 121.85.50.5 | 2035626501 | 0 |
| 121.85.50.6 | 2035626502 | 0 |
| 121.85.50.7 | 2035626503 | 0 |
| 121.85.50.8 | 2035626504 | 0 |
| 121.85.50.9 | 2035626505 | 0 |
| 121.85.50.10 | 2035626506 | 0 |
| 121.85.50.11 | 2035626507 | 0 |
| 121.85.50.12 | 2035626508 | 0 |
| 121.85.50.13 | 2035626509 | 0 |
| 121.85.50.14 | 2035626510 | 0 |
| 121.85.50.15 | 2035626511 | 0 |
| 121.85.50.16 | 2035626512 | 0 |
| 121.85.50.17 | 2035626513 | 0 |
| 121.85.50.18 | 2035626514 | 0 |
| 121.85.50.19 | 2035626515 | 0 |
| 121.85.50.20 | 2035626516 | 0 |
| 121.85.50.21 | 2035626517 | 0 |
| 121.85.50.22 | 2035626518 | 0 |
| 121.85.50.23 | 2035626519 | 0 |
| 121.85.50.24 | 2035626520 | 0 |
| 121.85.50.25 | 2035626521 | 0 |
| 121.85.50.26 | 2035626522 | 0 |
| 121.85.50.27 | 2035626523 | 0 |
| 121.85.50.28 | 2035626524 | 0 |
| 121.85.50.29 | 2035626525 | 0 |
| 121.85.50.30 | 2035626526 | 0 |
| 121.85.50.31 | 2035626527 | 0 |
| 121.85.50.32 | 2035626528 | 0 |
| 121.85.50.33 | 2035626529 | 0 |
| 121.85.50.34 | 2035626530 | 0 |
| 121.85.50.35 | 2035626531 | 0 |
| 121.85.50.36 | 2035626532 | 0 |
| 121.85.50.37 | 2035626533 | 0 |
| 121.85.50.38 | 2035626534 | 0 |
| 121.85.50.39 | 2035626535 | 0 |
| 121.85.50.40 | 2035626536 | 0 |
| 121.85.50.41 | 2035626537 | 0 |
| 121.85.50.42 | 2035626538 | 0 |
| 121.85.50.43 | 2035626539 | 0 |
| 121.85.50.44 | 2035626540 | 0 |
| 121.85.50.45 | 2035626541 | 0 |
| 121.85.50.46 | 2035626542 | 0 |
| 121.85.50.47 | 2035626543 | 0 |
| 121.85.50.48 | 2035626544 | 0 |
| 121.85.50.49 | 2035626545 | 0 |
| 121.85.50.50 | 2035626546 | 0 |
| 121.85.50.51 | 2035626547 | 0 |
| 121.85.50.52 | 2035626548 | 0 |
| 121.85.50.53 | 2035626549 | 0 |
| 121.85.50.54 | 2035626550 | 0 |
| 121.85.50.55 | 2035626551 | 0 |
| 121.85.50.56 | 2035626552 | 0 |
| 121.85.50.57 | 2035626553 | 0 |
| 121.85.50.58 | 2035626554 | 0 |
| 121.85.50.59 | 2035626555 | 0 |
| 121.85.50.60 | 2035626556 | 0 |
| 121.85.50.61 | 2035626557 | 0 |
| 121.85.50.62 | 2035626558 | 0 |
| 121.85.50.63 | 2035626559 | 0 |
| 121.85.50.64 | 2035626560 | 0 |
| 121.85.50.65 | 2035626561 | 0 |
| 121.85.50.66 | 2035626562 | 0 |
| 121.85.50.67 | 2035626563 | 0 |
| 121.85.50.68 | 2035626564 | 0 |
| 121.85.50.69 | 2035626565 | 0 |
| 121.85.50.70 | 2035626566 | 0 |
| 121.85.50.71 | 2035626567 | 0 |
| 121.85.50.72 | 2035626568 | 0 |
| 121.85.50.73 | 2035626569 | 0 |
| 121.85.50.74 | 2035626570 | 0 |
| 121.85.50.75 | 2035626571 | 0 |
| 121.85.50.76 | 2035626572 | 0 |
| 121.85.50.77 | 2035626573 | 0 |
| 121.85.50.78 | 2035626574 | 0 |
| 121.85.50.79 | 2035626575 | 0 |
| 121.85.50.80 | 2035626576 | 0 |
| 121.85.50.81 | 2035626577 | 0 |
| 121.85.50.82 | 2035626578 | 0 |
| 121.85.50.83 | 2035626579 | 0 |
| 121.85.50.84 | 2035626580 | 0 |
| 121.85.50.85 | 2035626581 | 0 |